40145408

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:988

約数の個数: 40

約数和(自身を含む): 81205740

約数和(自身を除く): 41060332

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 881, 1424, 1762, 2848, 3524, 5696, 7048, 11392, 14096, 22784, 28192, 45568, 56384, 78409, 112768, 156818, 225536, 313636, 451072, 627272, 1254544, 2509088, 5018176, 10036352, 20072704, 40145408]

約数ペア:

[(1, 40145408), (2, 20072704), (4, 10036352), (8, 5018176), (16, 2509088), (32, 1254544), (64, 627272), (89, 451072), (128, 313636), (178, 225536), (256, 156818), (356, 112768), (512, 78409), (712, 56384), (881, 45568), (1424, 28192), (1762, 22784), (2848, 14096), (3524, 11392), (5696, 7048)]